<template>
    <div class="sidebar">
        <!-- :unique-opened='true' -->
        <el-menu class="sidebar-el-menu" :default-active="onRoutes" :collapse="collapse" background-color="#324157"
            @open="handleOpen" text-color="#bfcbd9" active-text-color="#20a0ff" router>
            <!--            <template v-for="item in items">-->
            <!--                <template v-if="item.subs">-->
            <!--                    <el-submenu :index="item.index" :key="item.index">-->
            <!--                        <template slot="title">-->
            <!--                            <i :class="item.icon"></i>-->
            <!--                            <span slot="title">{{ item.title }}</span>-->
            <!--                        </template>-->
            <!--                        <template v-for="subItem in item.subs">-->
            <!--                            <el-submenu-->
            <!--                                v-if="subItem.subs"-->
            <!--                                :index="subItem.index"-->
            <!--                                :key="subItem.index"-->
            <!--                            >-->
            <!--                                <template slot="title">{{ subItem.title }}</template>-->
            <!--                                <el-menu-item-->
            <!--                                    v-for="(threeItem,i) in subItem.subs"-->
            <!--                                    :key="i"-->
            <!--                                    :index="threeItem.index"-->
            <!--                                >{{ threeItem.title }}</el-menu-item>-->
            <!--                            </el-submenu>-->
            <!--                            <el-menu-item-->
            <!--                                v-else-->
            <!--                                :index="subItem.index"-->
            <!--                                :key="subItem.index"-->
            <!--                            >{{ subItem.title }}</el-menu-item>-->
            <!--                        </template>-->
            <!--                    </el-submenu>-->
            <!--                </template>-->
            <!--                <template v-else>-->
            <!--                    <el-menu-item :index="item.index" :key="item.index">-->
            <!--                        <i :class="item.icon"></i>-->
            <!--                        <span slot="title">{{ item.title }}</span>-->
            <!--                    </el-menu-item>-->
            <!--                </template>-->
            <!--            </template>-->
            <template v-for="item in sidebarRouters">
                <template v-if="item.children">
                    <!-- <el-submenu :index="item.path ? item.path : ''" :key="item.path"> -->
                    <el-submenu :index="item.name ? item.name : ''" :key="item.path">
                        <template slot="title">
                            <i :class="item.meta.icon"></i>
                            <span slot="title">{{ item.meta.title }}</span>
                        </template>
                        <template v-for="subItem in item.children">
                            <el-submenu v-if="subItem.children" :index="subItem.path" :key="subItem.path">
                                <template slot="title">{{ subItem.meta.title }}</template>
                                <el-menu-item v-for="(threeItem, i) in subItem.children" :key="i"
                                    :index="threeItem.path">{{ threeItem.meta.title }}</el-menu-item>
                            </el-submenu>
                            <el-menu-item v-else :index="subItem.path ? subItem.path : ''" :key="subItem.path">{{
                            subItem.meta.title
                            }}</el-menu-item>
                        </template>
                    </el-submenu>
                </template>
                <template v-else>
                    <el-menu-item :index="item.path" :key="item.path">
                        <i :class="item.meta.icon"></i>
                        <span slot="title">{{ item.meta.title }}</span>
                    </el-menu-item>
                </template>
            </template>
        </el-menu>

    </div>
</template>

<script>
import bus from '../common/bus';
import { mapGetters } from "vuex";
import store from '@/store'
export default {
    data() {
        return {
            collapse: false,
            items: [
                {
                    icon: 'el-icon-s-tools',
                    index: '3',
                    title: '系统管理',
                    subs: [
                        {
                            index: '/user',
                            title: '用户管理'
                        },
                        {
                            index: '/role',
                            title: '角色管理'
                        },
                        {
                            index: '/dept',
                            title: '部门管理'
                        }
                        // {
                        //     index: '/menu',
                        //     title: '菜单管理'
                        // }
                    ]
                }
            ]
        };
    },
    computed: {
        ...mapGetters(["sidebarRouters"]),
        onRoutes() {
            return this.$route.path;
        }
    },
    created() {
        // 通过 Event Bus 进行组件间通信，来折叠侧边栏
        bus.$on('collapse', msg => {
            this.collapse = msg;
            bus.$emit('collapse-content', msg);
        });
    },
    methods: {
        handleOpen(key, keyPath) {
            console.log(11111, key);
            console.log(22222, keyPath);
        },
    },
};
</script>

<style lang="scss" scoped>
.sidebar {
    display: block;
    position: absolute;
    left: 0;
    top: $menuHeight;
    bottom: 0;
    overflow-y: scroll;
}

.sidebar::-webkit-scrollbar {
    width: 0;
}

.sidebar-el-menu:not(.el-menu--collapse) {
    width: 250px;
}

.sidebar>ul {
    height: 100%;
}
</style>
